Shutterstock Everyone has seen pictures of Earth from space and recognized that it is primarily blue with some parts that are ...

Earth's oceans, known for their deep blue hue, could one day undergo color shifts, say scientists. A report based on a study published in Nature suggests that our oceans have not always been blue, and ...

How bright is the earth as seen from space? In the Journal of the British Interplanetary Society, Meteorologist Alan E. Slater decides that it is quite a bright planet, although rather blue. The ...